Home / 31,923.87-47,895.03-13,200.42

Finding the Fourth Proportional to 31,923.87, 47,895.03 and 13,200.42

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Solution

The fourth proportional to 31,923.87, 47,895.03 and 13,200.42 is: 19,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923.87 : 47,895.03 = 13,200.42 : x
  2. Step 2: Convert to fraction form
    31,923.87/47,895.03 = 13,200.42/x
  3. Step 3: Cross multiply
    31,923.87x = 47,895.03 × 13,200.42
  4. Step 4: Simplify right side
    31,923.87x = 632,234,511.91
  5. Step 5: Solve for x
    x = 632,234,511.91/31,923.87
  6. Step 6: Final answer
    x = 19,804.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.